Billy Joel's publicist said Wednesday the U.S. rock 'n' roll icon and his chef wife, Katie Lee, have split up.

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"After nearly five years of marriage Billy Joel and Katie Lee Joel have decided to separate. This decision is a result of much thoughtful consideration. Billy and Katie remain caring friends with admiration and respect for each other," said a joint statement issued to People.com by representatives for both parties.

Katie, 27, is a former host of Bravo's "Top Chef." She married Joel, 60, in September 2004. He was previously married and divorced two other times.